It was strange that he _____ have uttered such rude remarks on that occasion.
| A．must | B．could | C．should | D．would |
We should dowe can to help those who lost their homes in the heaviest rain.
| A．whatever | B．however | C．which | D．that |
Why not ride bicycles tothe countryside with us this weekend? I’m sure you will enjoy yourself and come across the unexpected things.
| A．search | B．discover | C．explore | D．desert |
On the green grass, which live in perfect harmony with people there.
| A．where live many animals | B．do many animals live |
| C．live many animals | D．living many animals |
—You may get caught in a traffic jam on the way. So, you’d better leave now.
—All right, .
| A．go ahead | B．just in case |
| C．think nothing of it | D．don’t worry |
We decided to ask Peterson to come with ushe knew the road quite well.
| A．while | B．when |
| C．even though | D．as |